Home / 890,722.04-1,336,063.61-216,806.90

Finding the Fourth Proportional to 890,722.04, 1,336,063.61 and 216,806.90

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Solution

The fourth proportional to 890,722.04, 1,336,063.61 and 216,806.90 is: 325,205.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,722.04 : 1,336,063.61 = 216,806.90 : x
  2. Step 2: Convert to fraction form
    890,722.04/1,336,063.61 = 216,806.90/x
  3. Step 3: Cross multiply
    890,722.04x = 1,336,063.61 × 216,806.90
  4. Step 4: Simplify right side
    890,722.04x = 289,667,803,348.61
  5. Step 5: Solve for x
    x = 289,667,803,348.61/890,722.04
  6. Step 6: Final answer
    x = 325,205.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.